RXS_CreateJson()

*--------------------------------------------------------------
* This example creates a root JSON structure that is a JSON 
* object. It allows subsequent JSON objects, arrays, or data
* elements to be attached in order to build a JSON document.
*--------------------------------------------------------------
H DFTACTGRP(*NO) BNDDIR('RXSBND') ACTGRP(*CALLER)

 /define RXSV6R1
 /copy QRPGLECPY,RXSCB

D JSON            S                   Like(RXS_Var64Kv_t)

D CreateJsonDS    DS                  LikeDS(RXS_CreateJsonDS_t)
D RootDS          DS                  LikeDS(RXS_JsonStructureDS_t)
D ItemDS          DS                  LikeDS(RXS_JsonStructureDS_t)
 /free
   RXS_ResetDS( CreateJsonDS : RXS_DS_TYPE_CREATEJSON );
   RXS_ResetDS( RootDS : RXS_DS_TYPE_JSONSTRUCTURE );
   RXS_ResetDS( ItemDS : RXS_DS_TYPE_JSONSTRUCTURE );
   
   CreateJsonDS.JsonStructureType = RXS_JSON_STRUCTURE_OBJECT;
   RootDS = RXS_CreateJson( CreateJsonDS );
   // RootDS now contains a JSON structure that looks like this
   //  if printed:
   //
   //  { }

   // Create JSON object named "item" and attach it to RootDS
   ItemDS = RXS_ComposeJsonObject( 'item' : RootDS );
   // JSON now looks like this if printed:
   //
   // { "item": {} }

   // Create JSON number named "id" and attach it to ItemDS
   // Note that RXS_ComposeJsonNumber() uses character data,
   //  not numeric data, to allow it to handle the large
   //  numbers that JSON supports
   RXS_ComposeJsonNumber( 'id' : '7' : ItemDS );
   // JSON now looks like this if printed:
   //
   // { "item": { "id": 7 } }

   // Create JSON string named "name" and attach it to ItemDS
   RXS_ComposeJsonString( 'name' : 'headlight fluid' : ItemDS );
   // JSON now looks like this if printed:
   //
   // { "item": { "id": 7, "name": "headlight fluid" } }


   // Create JSON number named "price" and attach it to ItemDS
   RXS_ComposeJsonNumber( 'price' : '12.50' : ItemDS );

   // Enable JSON "prettification" (format to make more readable)
   //  and retrieve JSON into an RPG character data field
   CreateJsonDS.Prettify = RXS_YES;
   RXS_GetJsonString( JSON : CreateJsonDS );
   // Character data retrieved:
   //
   // {
   //    "item": {
   //      "id": 7,
   //      "name": "headlight fluid",
   //      "price": 12.50
   //    }
   // }

   RXS_DestroyJson( CreateJsonDS );

   *INLR = *ON;
 /end-free